package cn.itcast.bos.web.action.base;


import java.io.File;
import java.io.FileInputStream;

import java.util.ArrayList;

import java.util.List;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang3.StringUtils;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Row;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Actions;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Controller;


import cn.itcast.bos.domain.base.Area;
import cn.itcast.bos.service.base.AreaService;
import cn.itcast.bos.utils.PinYin4jUtils;

@Controller
@Actions
@Namespace("/")
@ParentPackage("json-default")
@Scope("prototype")
public class AreaAction extends BaseAction<Area> {

	@Autowired
	private AreaService service;

	private File file;

	public void setFile(File file) {
		this.file = file;
	}

	@Action(value = "area_batchImport")
	public String batchImport() {

		List<Area> areas = new ArrayList<Area>();
		HSSFWorkbook hssfWorkbook = null;
		try {
			ServletActionContext.getRequest().setCharacterEncoding("utf-8");

			hssfWorkbook = new HSSFWorkbook(new FileInputStream(file));
			HSSFSheet sheet = hssfWorkbook.getSheetAt(0);
			for (Row row : sheet) {
				if (row.getRowNum() == 0) {
					continue;
				}
				if (row.getCell(0) == null || StringUtils.isBlank(row.getCell(0).getStringCellValue())) {
					continue;
				}

				Area area = new Area();
				area.setId(row.getCell(0).getStringCellValue());
				area.setProvince(row.getCell(1).getStringCellValue());
				area.setCity(row.getCell(2).getStringCellValue());
				area.setDistrict(row.getCell(3).getStringCellValue());
				area.setPostcode(row.getCell(4).getStringCellValue());
				
				String province = area.getProvince();
				String city = area.getCity();
				String district = area.getDistrict();
				province = province.substring(0, province.length()-1);
				city = city.substring(0, city.length()-1);
				district = district.substring(0, district.length()-1);
				
				String[] headArray = PinYin4jUtils.getHeadByString(province+city+district);
				StringBuffer sb = new StringBuffer();
				
				for (String st : headArray) {
					sb.append(st);
				}
				String shortcode = sb.toString();
				area.setShortcode(shortcode);
				
				String citycode = PinYin4jUtils.hanziToPinyin(city,"");
				area.setCitycode(citycode);
				areas.add(area);
			}

		} catch (Exception e) {
			System.out.println(e);
			e.printStackTrace();
		} finally {

		}

		service.saveBatch(areas);

		return NONE;

	}
	
	@Action(value="area_pageQuery",results={@Result(name="success",type="json")})
	public String pageQuery(){
		Pageable pageable =  new PageRequest(page,rows);
		
		Specification<Area> specification = new Specification<Area>() {

			@Override
			public Predicate toPredicate(Root<Area> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
				List<Predicate> list = new ArrayList<Predicate>();
				
				if(StringUtils.isNoneBlank(model.getProvince())){
					Predicate p1 = cb.like(root.get("proince").as(String.class),"%"+model.getProvince()+"%");
					list.add(p1);
				}
				if(StringUtils.isNoneBlank(model.getCity())){
					Predicate p2 = cb.like(root.get("city").as(String.class),"%"+model.getCity()+"%");
					list.add(p2);
				}
				if(StringUtils.isNoneBlank(model.getDistrict())){
					Predicate p3 = cb.like(root.get("district").as(String.class),"%"+model.getDistrict()+"%");
					list.add(p3);
				}
				
				
				return cb.and(list.toArray(new Predicate[0]));
			}
		};
		
		Page<Area> page = service.pageQuery(specification,pageable);
		
		pushPageDataToValueStack(page);
		return SUCCESS;
	}
	
}
